<template>
    <div>
        <!-- 面包屑区域 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>数据统计</el-breadcrumb-item>
            <el-breadcrumb-item>数据报表</el-breadcrumb-item>
        </el-breadcrumb>

        <!-- 卡片视图区域 -->
        <el-card>
            <!-- 2. 为ECharts准备一个具备大小（宽高）的Dom -->
            <div id="main" style="width: 750px; height: 400px"></div>
        </el-card>
    </div>
</template>
<script>
import echarts from 'echarts'
import _ from 'lodash'

export default {
    data() {
        return {
            // 需要合并的数据
            options: {
                title: {
                    text: "用户来源",
                },
                tooltip: {
                    trigger: "axis",
                    axisPointer: {
                        type: "cross",
                        label: {
                            backgroundColor: "#E9EEF3",
                        },
                    },
                },
                grid: {
                    left: "3%",
                    right: "4%",
                    bottom: "3%",
                    containLabel: true,
                },
                xAxis: [
                    {
                        boundaryGap: false,
                    },
                ],
                yAxis: [
                    {
                        type: "value",
                    },
                ],
            },
        }
    },
    created() {},

    async mounted() {
        // 基于准备好的dom，初始化echarts实例
        var myChart = echarts.init(document.getElementById("main"));

        // 准备数据和配置项
        const res = await this.$http.get('reports/type/1')

        const result = _.merge(res.data.data, this.options);

        console.log(result);

        // 展示数据
        myChart.setOption(result);
    },
    methods: {}
}
</script>
<style scoped></style>